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प्रश्न
State the energy changes in the following case while in use:
A ceiling fan
Name the energy conversion that takes place in case of a ceiling fan in use.
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उत्तर
Electrical energy into mechanical energy.
संबंधित प्रश्न
State the energy changes that occur in the following :
The unwinding of a watch spring.
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
State the energy changes that occur in the following :
Lighting of a torch bulb.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a loaded truck when started and set in motion.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in photosynthesis in green leaves.
State the energy changes in the following case while in use:
Washing machine
A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies?
Can any object have mechanical energy even if its momentum is zero? Explain.
State the energy changes in the following case while in use:
An electric cell in a circuit
